Which food has less impact on blood sugar?

ROMAINE LETTUCE, DRESSING (WATER, CANOLA OIL, RED WINE VINEGAR, OLIVE OIL, SUGAR, SALT, SPICES, DRIED GARLIC, DRIED BELL PEPPER, XANTHAN GUM), TOMATOES, HARD COOKED EGGS (HARD COOKED EGGS, WATER, CITRIC ACID, SODIUM BENZOATE AS A PRESERVATIVE), BLUE CHEESE (PASTEURIZED MILK, CHEESE CULTURES, ENZYMES, SALT, CALCIUM CHLORIDE, MOLD, NATAMYCIN AND CELLULOSE (A FLOW AGENT)), HAM WITH NATURAL JUICES (HAM MEAT, WATER, SALT, CONTAINS 2% OR LESS OF MODIFIED POTATO STARCH, POTASSIUM LACTATE, BROWN SUGAR, SUGAR, DEXTROSE, SODIUM PHOSPHATES, SODIUM ERYTHORBATE, VINEGAR, CORN SYRUP, SODIUM DIACETATE, SODIUM NITRITE), TURKEY (TURKEY BREAST, WATER, SALT, SUGAR, MODIFIED CORNSTARCH, SODIUM PHOSPHATES, SODIUM ERYTHORBATE, SODIUM NITRITE), MARINATED BONELESS SKINLESS CHICKEN BREAST STRIPS WITH RIB MEAT (CHICKEN, WATER, CULTURED CORN SUGAR AND VINEGAR, SEASONING [MALTODEXTRIN, SALT, MODIFIED CORN STARCH, GRILL FLAVOR (FROM PARTIALLY HYDROGENATED SOYBEAN/COTTONSEED OIL), ONION POWDER, GARLIC POWDER, XANTHAN GUM, NATURAL SMOKE FLAVOR], GRILL SEASONING [MALTODEXTRIN, SALT, HYDROLYZED SOY PROTEIN, MUSTARD, GRILL FLAVOR (FROM SUNFLOWER OIL), ONION POWDER, GARLIC POWDER, SPICE, CARAMEL COLOR, NATURAL FLAVOR (INCLUDING SMOKE FLAVOR)], SODIUM PHOSPHATES, SALT), BACON (CURED WITH WATER, SALT, SUGAR, SODIUM ERYTHORBATE, SODIUM NITRITE. MAY ALSO CONTAIN DEXTROSE, FLAVORING HONEY, DEHYDRATED PORK BROTH, POTASSIUM CHLORIDE, POTASSIUM LACTATE, SMOKE FLAVORING, SODIUM DIACETATE, SODIUM PHOSPHATE).